diff --git a/duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainBlocks.java b/duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainBlocks.java
index b5c3729bdb731d33310a1072129f9c84c8c3545d..6bf2ba01a290a7668d547fe0d2b704a157d63d43 100644
--- a/duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainBlocks.java
+++ b/duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainBlocks.java
@@ -22,6 +22,7 @@ package org.duniter.core.client.model.bma;
  * #L%
  */
 
+import org.duniter.core.client.model.exception.InvalidFormatException;
 import org.duniter.core.util.Preconditions;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -116,18 +117,14 @@ public final class BlockchainBlocks {
 
         final Map<Integer, List<String>> inputIssuers = getInputIssuers(tx);
         if (inputIssuers == null || inputIssuers.size() == 0) {
-            log.warn("Invalid block TX: no issuer found ! ", tx.toString());
+            throw new InvalidFormatException("No issuer found in TX: " + tx.toString());
         }
 
         return IntStream.range(0, tx.getInputs().length)
                 .mapToObj(i -> {
                     TxInput txInput = parseInput(tx.getInputs()[i]);
                     if (txInput == null) {
-                        log.warn(String.format("Invalid block TX: unable to parse inputs [%s]: %s", i, tx.getInputs()[i]));
-                        txInput = new TxInput();
-                        txInput.amount = 0;
-                        txInput.unitbase = 0;
-                        txInput.type = "T";
+                        throw new InvalidFormatException("Unable to parse TX inputs: " + tx.getInputs()[i]);
                     }
                     txInput.issuers = inputIssuers.get(i);
                     return txInput;
@@ -172,10 +169,7 @@ public final class BlockchainBlocks {
             }
         }
         else {
-            log.warn("Invalid block TX: unable to parse output: " + output);
-            result = new TxOutput();
-            result.amount=0;
-            result.unitbase=0;
+            throw new InvalidFormatException("Unable to parse TX output: " + output);
         }
         return result;
     }
@@ -205,11 +199,10 @@ public final class BlockchainBlocks {
         return txOutputs.stream()
                 .map(output -> {
                     if (output == null) {
-                        log.warn("There is null output here ;(");
+                        throw new InvalidFormatException("TX outputs should not be null");
                     }
                     return output;
                 })
-                .filter(Objects::nonNull)
                 .map(output -> output.recipient)
                 .filter(Objects::nonNull)
                 .distinct().collect(Collectors.toSet());
diff --git a/duniter4j-core-client/src/main/java/org/duniter/core/client/model/exception/InvalidFormatException.java b/duniter4j-core-client/src/main/java/org/duniter/core/client/model/exception/InvalidFormatException.java
new file mode 100644
index 0000000000000000000000000000000000000000..36ed8a7d685395dbed50f2ec859cbedaa4f39ba6
--- /dev/null
+++ b/duniter4j-core-client/src/main/java/org/duniter/core/client/model/exception/InvalidFormatException.java
@@ -0,0 +1,25 @@
+package org.duniter.core.client.model.exception;
+
+import org.duniter.core.exception.TechnicalException;
+
+/**
+ * Created by blavenie on 24/07/17.
+ */
+public class InvalidFormatException extends TechnicalException {
+
+    public InvalidFormatException() {
+        super();
+    }
+
+    public InvalidFormatException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public InvalidFormatException(String message) {
+        super(message);
+    }
+
+    public InvalidFormatException(Throwable cause) {
+        super(cause);
+    }
+}
diff --git a/duniter4j-core-client/src/test/java/org/duniter/core/client/model/BlockFileUtils.java b/duniter4j-core-client/src/test/java/org/duniter/core/client/model/BlockFileUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..d4362a347aff44c80309f10baf92584b8bbc9bec
--- /dev/null
+++ b/duniter4j-core-client/src/test/java/org/duniter/core/client/model/BlockFileUtils.java
@@ -0,0 +1,27 @@
+package org.duniter.core.client.model;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.duniter.core.client.model.bma.BlockchainBlock;
+import org.junit.Assume;
+
+import java.io.File;
+import java.nio.file.Files;
+
+/**
+ * Created by blavenie on 24/07/17.
+ */
+public class BlockFileUtils {
+
+    public static BlockchainBlock readBlockFile(String jsonFileName) {
+        try {
+            ObjectMapper om = org.duniter.core.client.model.bma.jackson.JacksonUtils.newObjectMapper();
+            BlockchainBlock block = om.readValue(Files.readAllBytes(new File("src/test/resources" , jsonFileName).toPath()), BlockchainBlock.class);
+            Assume.assumeNotNull(block);
+            return block;
+        }
+        catch(Exception e) {
+            Assume.assumeNoException(e);
+            return null;
+        }
+    }
+}
diff --git a/duniter4j-core-client/src/test/java/org/duniter/core/client/model/MovementsTest.java b/duniter4j-core-client/src/test/java/org/duniter/core/client/model/MovementsTest.java
index 5f98558e20a87f88d61a8976736e73a2e7e53e7c..069ecce166af424fd4138eb23f8bed9c97e0dcee 100644
--- a/duniter4j-core-client/src/test/java/org/duniter/core/client/model/MovementsTest.java
+++ b/duniter4j-core-client/src/test/java/org/duniter/core/client/model/MovementsTest.java
@@ -1,16 +1,14 @@
 package org.duniter.core.client.model;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.duniter.core.client.model.bma.BlockchainBlock;
-import org.duniter.core.client.model.bma.jackson.JacksonUtils;
+import org.duniter.core.client.model.exception.InvalidFormatException;
 import org.duniter.core.client.model.local.Movement;
 import org.duniter.core.client.model.local.Movements;
 import org.junit.Assert;
-import org.junit.Assume;
 import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-import java.io.File;
-import java.nio.file.Files;
 import java.util.List;
 
 /**
@@ -18,27 +16,31 @@ import java.util.List;
  */
 public class MovementsTest {
 
+
+    private static final Logger log = LoggerFactory.getLogger(MovementsTest.class);
+
     @Test
-    public void testGetMovements() throws Exception {
+    public void getMovements() throws Exception {
 
-        final BlockchainBlock block = readBlockFile("block_with_tx.json");
+        final BlockchainBlock block = BlockFileUtils.readBlockFile("block_with_tx.json");
         List<Movement> mov = Movements.getMovements(block);
         Assert.assertTrue(mov.size() > 0);
     }
 
-    /* -- internal methods -- */
 
-    private BlockchainBlock readBlockFile(String jsonFileName) {
+
+    @Test
+    public void getMovements_issue19() {
+
+        // This test should detect when TX.inputs format is invalid - see #19
+        BlockchainBlock block = BlockFileUtils.readBlockFile("block_issue_19.json");
         try {
-            ObjectMapper om = JacksonUtils.newObjectMapper();
-            BlockchainBlock block = om.readValue(Files.readAllBytes(new File("src/test/resources" , jsonFileName).toPath()), BlockchainBlock.class);
-            Assume.assumeNotNull(block);
-            return block;
-        }
-        catch(Exception e) {
-            Assume.assumeNoException(e);
-            return null;
+            List<Movement> mov = Movements.getMovements(block);
+            Assert.fail("no exception");
+        } catch(InvalidFormatException e) {
+            // OK
+            log.error(e.getMessage());
         }
-    }
 
+    }
 }
diff --git a/duniter4j-core-client/src/test/resources/block_issue_19.json b/duniter4j-core-client/src/test/resources/block_issue_19.json
new file mode 100644
index 0000000000000000000000000000000000000000..ff250977411875ea076ee2ab658d0747ec19d3ce
--- /dev/null
+++ b/duniter4j-core-client/src/test/resources/block_issue_19.json
@@ -0,0 +1,307 @@
+{
+  "version": 10,
+  "nonce": 10200000015075,
+  "number": 37895,
+  "powMin": 82,
+  "time": 1500888872,
+  "medianTime": 1500884493,
+  "membersCount": 203,
+  "monetaryMass": 16509000,
+  "unitbase": 0,
+  "issuersCount": 21,
+  "issuersFrame": 106,
+  "issuersFrameVar": 0,
+  "currency": "g1",
+  "issuer": "FVUFRrk1K5TQGsY7PRLwqHgdHRoHrwb1hcucp4C2N5tD",
+  "signature": "SA9Rc+7DFIB5ykvf9tWUchZmSWZhe4ohY+/txrUn/K4OmtKz57cWY0cVKUy9bvid2ojg61tU408HoUJu0S7sAA==",
+  "hash": "00000A5899EEA5710D55CD004A091D9CA79A932BCEFBD492A631B84E58E15175",
+  "parameters": "",
+  "previousHash": "00000982E467FFAA71CD25EFB7B8F07A9457D1DC36D84FE7A344F77ACDEDD6AD",
+  "previousIssuer": "D9D2zaJoWYWveii1JRYLVK3J4Z7ZH3QczoKrnQeiM6mx",
+  "inner_hash": "BD363863B78317F26E148DD6600CABF166BDD43E3B0CDC4DE84423EF198E6A09",
+  "dividend": null,
+  "identities": [],
+  "joiners": [],
+  "actives": [],
+  "leavers": [],
+  "revoked": [],
+  "excluded": [],
+  "certifications": [],
+  "transactions": [
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "[object Object]",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27396",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27673",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27944",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:28240"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)"
+      ],
+      "outputs": [
+        "5000:0:SIG(fyqm24NzN7D2Lr4ssrNMacsctymQ2NzBqH9YUYuxSmy)"
+      ],
+      "signatures": [
+        "/OYzkDgCVNQEOyk2hCsPbyi7f48iOEOAHm+a7Rt+Xlxf8LTijxXlawzr3aSpHX9tMOS5P5O8zJmUmAf9V7qXAw=="
+      ],
+      "comment": "GANNONCE:CROWDF:762de1a1-aa9a-4fa2-88de-0bcd12811215",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    },
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:28522",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:28805",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29086",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29363",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29601",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29858",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30061",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30341"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)",
+        "5:SIG(0)",
+        "6:SIG(0)",
+        "7:SIG(0)"
+      ],
+      "outputs": [
+        "7500:0:SIG(D9D2zaJoWYWveii1JRYLVK3J4Z7ZH3QczoKrnQeiM6mx)",
+        "500:0:SIG(ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf)"
+      ],
+      "signatures": [
+        "lIo0PacXa9qpPGm7mbi4kt7YvxhKpLEedJPR46AtRouFa21tO1iEoKGAUH+5PXurivIicbTtdXc/XTE92JGaAA=="
+      ],
+      "comment": "Merci pour ton blog et ton super boulot sur g1 monit ainsi que l admin de MLO bien sur",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    },
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30637",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30885",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:31175",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:31471",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:31750",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32008",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32298",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32514"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)",
+        "5:SIG(0)",
+        "6:SIG(0)",
+        "7:SIG(0)"
+      ],
+      "outputs": [
+        "7500:0:SIG(2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ)",
+        "500:0:SIG(ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf)"
+      ],
+      "signatures": [
+        "fF+w5kCgOk/iHx3K1nJUDl+wEq1o3azzs94ewa+ChTE5AA2kIQ6iI4fxuyG46nRyXQaraj873v23CoIg1v7RDw=="
+      ],
+      "comment": "Je n avais pas encore pris le temps de te remercier pour les dernieres avancees sur Duniter  voila qui est fait hehe",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    },
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32769",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33060",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33326",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33562",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33839"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)"
+      ],
+      "outputs": [
+        "5000:0:SIG(38MEAZN68Pz1DTvT3tqgxx4yQP6snJCQhPqEFxbDk4aE)"
+      ],
+      "signatures": [
+        "Xvk0SPpaTyaqZgM7dM9l4RdLnhIJ18qmWYJmf4rMj6ebd1Wak+MtG+pLXwr4MhKTDfFQo1yRD4RTbHeb3jhkDg=="
+      ],
+      "comment": "Merci pour les dernieres evolutions sur Cesium",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    },
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34100",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34348",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34628",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34913",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:35187"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)"
+      ],
+      "outputs": [
+        "5000:0:SIG(5cnvo5bmR8QbtyNVnkDXWq6n5My6oNLd1o6auJApGCsv)"
+      ],
+      "signatures": [
+        "vyMb0wBQmXxJRoUzyEJjGjd/N/BiZvPcCZyEGeX21g8nYASR2nofSdoAlbqMErrOPc1EKXKv6VeDl6M37dAXAg=="
+      ],
+      "comment": "Merci pour les evolutions Sakia et notamment la version pour arch linux il faut que je joue avec maintenant",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    },
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:35465",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:35751",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36015",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36287",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36597"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)"
+      ],
+      "outputs": [
+        "5000:0:SIG(8SJZia3RJ36hp3wXy8AJXJj8z7yeLHCVaTtv2xSi2MBj)"
+      ],
+      "signatures": [
+        "ppaFML8WuhgayRG59eJt0BaGJ6NK0VYul2rnNUTiyX5Wp4D5HkljDF/EMW5fbM5zglyWJk5aK9M8nBy6IMlzAw=="
+      ],
+      "comment": "Merci pour ton super boulot chez MLO",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    },
+    {
+      "version": 10,
+      "blockstamp": "37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA",
+      "locktime": 0,
+      "issuers": [
+        "ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf"
+      ],
+      "inputs": [
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36880",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:37082",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:37380",
+        "1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:37630",
+        "1:0:T:C9FABBB2A4FD3C2E698CE054F85754C33DBFB9242156BCC2207F84349FAB61CC:13",
+        "1:0:T:CCFDD90667DD1722666036DE4C1ABA9BED348FB69FAA5F6EB5804DA37A886DA3:0",
+        "300:0:T:C1C7BBDE044D8E0C6BF06FBD433568FCD5088786CE09E7698A9A228A7A7DD346:1",
+        "10:0:T:CCECB5DD834BF4AA7BDD71CC1CAF9F73D9C11F0CAC082032111136C8362BB49C:19",
+        "30:0:T:C463403F954EAB3A9C30E34E2498170E2E25FD8F4EB721704815358B72839920:6",
+        "20:0:T:B78AD4F45DF8DCB7A7A949B09D90D244A3732920AA959B17D8777CD1A6EB735A:13",
+        "10:0:T:F15E94C2C04C7761FF26BE2AF3C61E83AD4721BA765D50D8036713A0FA1D3EFC:19",
+        "5:0:T:FA981CC2E872BE9F7957F918698DB6CE63741913E58816FF084C8FB42473E01F:14",
+        "5:0:T:C66071EE204FDFFE501FE3ECA581CE69FFF4DFF3C97D161E3AC2C26FDC897292:16",
+        "5:0:T:D29E91346E40F0EFB31C846A80EA021B45BC9616354188C5F9EFBD8D92CB3A3E:20",
+        "5:0:T:B044EFB575A8D9B03107B0E9211D4CADC653B9D2984374FD415DE671F20A0BA8:17",
+        "10:0:T:E03089AF40F95105CC6E1497DEAC51247345E05E3D6DA412711A5F9B18D472D0:0",
+        "15:0:T:BFC8766FD32B5410D1E698643D0C09479B7B8F9916391A2F326549AE2EB044A8:23",
+        "300:0:T:B27C710FC5D8C960F10E878EBFDE91EBD90760116FF66B59A902714C03BCE14C:0",
+        "500:0:T:EBDFD45D4CA5DE4C1935701653357727463407634135BDD7C56FEE68F845D312:0"
+      ],
+      "unlocks": [
+        "0:SIG(0)",
+        "1:SIG(0)",
+        "2:SIG(0)",
+        "3:SIG(0)",
+        "4:SIG(0)",
+        "5:SIG(0)",
+        "6:SIG(0)",
+        "7:SIG(0)",
+        "8:SIG(0)",
+        "9:SIG(0)",
+        "10:SIG(0)",
+        "11:SIG(0)",
+        "12:SIG(0)",
+        "13:SIG(0)",
+        "14:SIG(0)",
+        "15:SIG(0)",
+        "16:SIG(0)",
+        "17:SIG(0)",
+        "18:SIG(0)"
+      ],
+      "outputs": [
+        "5000:0:SIG(DymYJziyjC9pyupKNxT9iukEKrnFSGNCLnxFQtSWJSg5)",
+        "217:0:SIG(ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf)"
+      ],
+      "signatures": [
+        "JaKH4ZXJYcLemrjbXaqOap5vplESk0dml0cUpA02VvruBTXH90tQS/BYCxTIr7qEdFrl7EeomcovBJflDmuvAA=="
+      ],
+      "comment": "Merci pour ton super boulot chez MLO",
+      "currency": "g1",
+      "block_number": 37895,
+      "time": 1500884493,
+      "blockstampTime": 0
+    }
+  ],
+  "raw": "Version: 10\nType: Block\nCurrency: g1\nNumber: 37895\nPoWMin: 82\nTime: 1500888872\nMedianTime: 1500884493\nUnitBase: 0\nIssuer: FVUFRrk1K5TQGsY7PRLwqHgdHRoHrwb1hcucp4C2N5tD\nIssuersFrame: 106\nIssuersFrameVar: 0\nDifferentIssuersCount: 21\nPreviousHash: 00000982E467FFAA71CD25EFB7B8F07A9457D1DC36D84FE7A344F77ACDEDD6AD\nPreviousIssuer: D9D2zaJoWYWveii1JRYLVK3J4Z7ZH3QczoKrnQeiM6mx\nMembersCount: 203\nIdentities:\nJoiners:\nActives:\nLeavers:\nRevoked:\nExcluded:\nCertifications:\nTransactions:\nTX:10:1:5:5:1:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27109\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27396\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27673\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:27944\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:28240\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5000:0:SIG(fyqm24NzN7D2Lr4ssrNMacsctymQ2NzBqH9YUYuxSmy)\nGANNONCE:CROWDF:762de1a1-aa9a-4fa2-88de-0bcd12811215\n/OYzkDgCVNQEOyk2hCsPbyi7f48iOEOAHm+a7Rt+Xlxf8LTijxXlawzr3aSpHX9tMOS5P5O8zJmUmAf9V7qXAw==\nTX:10:1:8:8:2:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:28522\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:28805\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29086\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29363\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29601\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:29858\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30061\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30341\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5:SIG(0)\n6:SIG(0)\n7:SIG(0)\n7500:0:SIG(D9D2zaJoWYWveii1JRYLVK3J4Z7ZH3QczoKrnQeiM6mx)\n500:0:SIG(ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf)\nMerci pour ton blog et ton super boulot sur g1 monit ainsi que l admin de MLO bien sur\nlIo0PacXa9qpPGm7mbi4kt7YvxhKpLEedJPR46AtRouFa21tO1iEoKGAUH+5PXurivIicbTtdXc/XTE92JGaAA==\nTX:10:1:8:8:2:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30637\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:30885\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:31175\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:31471\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:31750\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32008\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32298\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32514\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5:SIG(0)\n6:SIG(0)\n7:SIG(0)\n7500:0:SIG(2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ)\n500:0:SIG(ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf)\nJe n avais pas encore pris le temps de te remercier pour les dernieres avancees sur Duniter  voila qui est fait hehe\nfF+w5kCgOk/iHx3K1nJUDl+wEq1o3azzs94ewa+ChTE5AA2kIQ6iI4fxuyG46nRyXQaraj873v23CoIg1v7RDw==\nTX:10:1:5:5:1:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:32769\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33060\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33326\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33562\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:33839\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5000:0:SIG(38MEAZN68Pz1DTvT3tqgxx4yQP6snJCQhPqEFxbDk4aE)\nMerci pour les dernieres evolutions sur Cesium\nXvk0SPpaTyaqZgM7dM9l4RdLnhIJ18qmWYJmf4rMj6ebd1Wak+MtG+pLXwr4MhKTDfFQo1yRD4RTbHeb3jhkDg==\nTX:10:1:5:5:1:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34100\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34348\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34628\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:34913\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:35187\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5000:0:SIG(5cnvo5bmR8QbtyNVnkDXWq6n5My6oNLd1o6auJApGCsv)\nMerci pour les evolutions Sakia et notamment la version pour arch linux il faut que je joue avec maintenant\nvyMb0wBQmXxJRoUzyEJjGjd/N/BiZvPcCZyEGeX21g8nYASR2nofSdoAlbqMErrOPc1EKXKv6VeDl6M37dAXAg==\nTX:10:1:5:5:1:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:35465\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:35751\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36015\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36287\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36597\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5000:0:SIG(8SJZia3RJ36hp3wXy8AJXJj8z7yeLHCVaTtv2xSi2MBj)\nMerci pour ton super boulot chez MLO\nppaFML8WuhgayRG59eJt0BaGJ6NK0VYul2rnNUTiyX5Wp4D5HkljDF/EMW5fbM5zglyWJk5aK9M8nBy6IMlzAw==\nTX:10:1:19:19:2:1:0\n37893-0000047EA6FF33E92CFF4C66A831E955D77AE5699DCEA81800BF0B2E3F9A64BA\nArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:36880\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:37082\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:37380\n1000:0:D:ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf:37630\n1:0:T:C9FABBB2A4FD3C2E698CE054F85754C33DBFB9242156BCC2207F84349FAB61CC:13\n1:0:T:CCFDD90667DD1722666036DE4C1ABA9BED348FB69FAA5F6EB5804DA37A886DA3:0\n300:0:T:C1C7BBDE044D8E0C6BF06FBD433568FCD5088786CE09E7698A9A228A7A7DD346:1\n10:0:T:CCECB5DD834BF4AA7BDD71CC1CAF9F73D9C11F0CAC082032111136C8362BB49C:19\n30:0:T:C463403F954EAB3A9C30E34E2498170E2E25FD8F4EB721704815358B72839920:6\n20:0:T:B78AD4F45DF8DCB7A7A949B09D90D244A3732920AA959B17D8777CD1A6EB735A:13\n10:0:T:F15E94C2C04C7761FF26BE2AF3C61E83AD4721BA765D50D8036713A0FA1D3EFC:19\n5:0:T:FA981CC2E872BE9F7957F918698DB6CE63741913E58816FF084C8FB42473E01F:14\n5:0:T:C66071EE204FDFFE501FE3ECA581CE69FFF4DFF3C97D161E3AC2C26FDC897292:16\n5:0:T:D29E91346E40F0EFB31C846A80EA021B45BC9616354188C5F9EFBD8D92CB3A3E:20\n5:0:T:B044EFB575A8D9B03107B0E9211D4CADC653B9D2984374FD415DE671F20A0BA8:17\n10:0:T:E03089AF40F95105CC6E1497DEAC51247345E05E3D6DA412711A5F9B18D472D0:0\n15:0:T:BFC8766FD32B5410D1E698643D0C09479B7B8F9916391A2F326549AE2EB044A8:23\n300:0:T:B27C710FC5D8C960F10E878EBFDE91EBD90760116FF66B59A902714C03BCE14C:0\n500:0:T:EBDFD45D4CA5DE4C1935701653357727463407634135BDD7C56FEE68F845D312:0\n0:SIG(0)\n1:SIG(0)\n2:SIG(0)\n3:SIG(0)\n4:SIG(0)\n5:SIG(0)\n6:SIG(0)\n7:SIG(0)\n8:SIG(0)\n9:SIG(0)\n10:SIG(0)\n11:SIG(0)\n12:SIG(0)\n13:SIG(0)\n14:SIG(0)\n15:SIG(0)\n16:SIG(0)\n17:SIG(0)\n18:SIG(0)\n5000:0:SIG(DymYJziyjC9pyupKNxT9iukEKrnFSGNCLnxFQtSWJSg5)\n217:0:SIG(ArcfiCb3FWBonodGtiznCdBdCH5EJTLUdAFHR4nRM4zf)\nMerci pour ton super boulot chez MLO\nJaKH4ZXJYcLemrjbXaqOap5vplESk0dml0cUpA02VvruBTXH90tQS/BYCxTIr7qEdFrl7EeomcovBJflDmuvAA==\nInnerHash: BD363863B78317F26E148DD6600CABF166BDD43E3B0CDC4DE84423EF198E6A09\nNonce: 10200000015075\n"
+}
\ No newline at end of file
diff --git a/duniter4j-es-core/src/main/java/org/duniter/elasticsearch/service/BlockchainService.java b/duniter4j-es-core/src/main/java/org/duniter/elasticsearch/service/BlockchainService.java
index 8efd2166c5d60d55cd956bb4fac8d136e44cf888..5be04843d53b8dc056a84acd378bb943f8275c0e 100644
--- a/duniter4j-es-core/src/main/java/org/duniter/elasticsearch/service/BlockchainService.java
+++ b/duniter4j-es-core/src/main/java/org/duniter/elasticsearch/service/BlockchainService.java
@@ -326,7 +326,13 @@ public class BlockchainService extends AbstractService {
             }
         }
 
-        // Preparing indexBlocksFromNode
+        // Workaround for https://github.com/duniter/duniter/issues/1042
+        if (json.contains("[object Object]")) {
+            // Getting block using GET request '/blochain/block'
+            json = blockchainRemoteService.getBlockAsJson(peer, number);
+        }
+
+        // Index new block
         blockDao.create(currencyName, getBlockId(number), json.getBytes(), wait);
 
         // Update current